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Finding the Fourth Proportional to 395,598.36, 593,472.42 and 158,959.56

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Solution

The fourth proportional to 395,598.36, 593,472.42 and 158,959.56 is: 238,469.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    395,598.36 : 593,472.42 = 158,959.56 : x
  2. Step 2: Convert to fraction form
    395,598.36/593,472.42 = 158,959.56/x
  3. Step 3: Cross multiply
    395,598.36x = 593,472.42 × 158,959.56
  4. Step 4: Simplify right side
    395,598.36x = 94,338,114,755.34
  5. Step 5: Solve for x
    x = 94,338,114,755.34/395,598.36
  6. Step 6: Final answer
    x = 238,469.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.